-88.76% is the change from 765 to 86
Calculation steps:
[( 86 - 765 ) ÷ 765] x 100 = -88.76%
Formula
Percentage change = [(86 - 765) / 765] x 100
Subtract the new number by the original number
86 - 765 = -679
-679 ÷ 765 = -0.8875816993464052
-0.8875816993464052 x 100 = -88.76%